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DKJones96 said:
if i do n/a i would prolly go to a 7m-ge because of the 24 valves and stay with 6m for turbo cuz of the bigger valves and better torque band.
What makes you think "bigger valves" is an advantage? The 7M cylinder head has significantly more valve area, and thus flows better. This is the whole reason multivalve heads were introduced. And don't let anyone tell you 2-valve heads have more torque. Drive a stock 7M-GTE and you'll see they're not lacking in the torque department at all!

IMO you'd be nuts to build a 6M turbo from the ground up with 7M components. Using a complete 7M-GTE is going to work better and be MUCH easier.
 

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Mk3 Supra's have a separate ECU for the auto, so you can go standalone without affecting the transmission.

Most boost from a 7M? People have been building tough 7M's for years, so while I don't know the absolute maximum figure I know it would be insanely high. For a near-stock engine though, I'd say 1 bar is the safe limit, provided you've taken a few precautions first.
 
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